Grade 36 Titanium vs. A390.0 Aluminum
Grade 36 titanium belongs to the titanium alloys classification, while A390.0 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is grade 36 titanium and the bottom bar is A390.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 75 |
| Elongation at Break, % | 11 | |
| 0.87 to 0.91 |
| Fatigue Strength, MPa | 300 | |
| 70 to 100 |
| Poisson's Ratio | 0.36 | |
| 0.33 |
| Shear Modulus, GPa | 39 | |
| 28 |
| Tensile Strength: Ultimate (UTS), MPa | 530 | |
| 190 to 290 |
| Tensile Strength: Yield (Proof), MPa | 520 | |
| 190 to 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 640 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 170 |
| Melting Completion (Liquidus), °C | 2020 | |
| 580 |
| Melting Onset (Solidus), °C | 1950 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 420 | |
| 880 |
| Thermal Expansion, µm/m-K | 8.1 | |
| 20 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.3 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 58 | |
| 7.3 |
| Embodied Energy, MJ/kg | 920 | |
| 140 |
| Embodied Water, L/kg | 130 | |
| 950 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 59 | |
| 1.6 to 2.6 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1260 | |
| 240 to 580 |
| Stiffness to Weight: Axial, points | 9.3 | |
| 15 |
| Stiffness to Weight: Bending, points | 25 | |
| 52 |
| Strength to Weight: Axial, points | 23 | |
| 19 to 30 |
| Strength to Weight: Bending, points | 23 | |
| 27 to 36 |
| Thermal Shock Resistance, points | 45 | |
| 9.0 to 14 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 75.3 to 79.6 |
| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Copper (Cu), % | 0 | |
| 4.0 to 5.0 |
| Hydrogen (H), % | 0 to 0.0035 | |
| 0 |
| Iron (Fe), % | 0 to 0.030 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 0 | |
| 0.45 to 0.65 |
| Manganese (Mn), % | 0 | |
| 0 to 0.1 |
| Niobium (Nb), % | 42 to 47 | |
| 0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.16 | |
| 0 |
| Silicon (Si), % | 0 | |
| 16 to 18 |
| Titanium (Ti), % | 52.3 to 58 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.2 |